Speciation and Macroevolution

What makes a species?

Background Questions:

From your reading 16-2, what is the difference between stabilizing, directional, and disruptive selection?


Use this website to explore the concept of speciation.
http://evolution.berkeley.edu/evolibrary/article/0_0_0/evo_40


Answer the following questions:

What is a species? How would you know if you are dealing with two species of one?



List the “steps” that usually happen in order for speciation to occur.



Describe some mechanisms of how speciation can come about.



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